Staging: bcm: Alter name, datatype, and default value of iterator variables.

This patch renames variables used in iteration
statements with i, changes the datatype to int,
and removes any default value.
Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>